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Dictionary-com Logo.png
Type of site
Available in English
Owner IAC
Created by Brian Kariger
Daniel Fierro
Website dictionary.com
Commercial Yes
Launched May 14, 1995; 23 years ago (1995-05-14)

Dictionary.com is an online dictionary whose domain was first registered on May 14, 1995.[1] The company was founded by Brian Kariger and Daniel Fierro as part of Lexico Publishing, which also started Thesaurus.com and Reference.com.[2]

In 2008, Dictionary.com was acquired by Ask.com, an IAC company.[2]


The content for Dictionary.com is based on the Random House Unabridged Dictionary, with other content from the Collins English Dictionary, American Heritage Dictionary and others.[3]

Features and apps[edit]

On Monday, May 3, 1999, Dictionary.com began its Word of the Day feature.[4]

In April 2009, Dictionary.com offered their first dictionary app in the iOS App Store. Since then, they have released the Android version, as well as a standalone thesaurus app called Thesaurus Rex, along with education apps, Dictionary.com Flashcards, Word Dynamo, and Learning to Read with Zoo Animals.


External links[edit]